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java银行销户代码 银行卡java程序( 二 )

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this.overdraft = 1000;
}
public CreditAccount(String accId,String name,double money){
this(accId, name,money,1000);
}
public CreditAccount(String accId,String name,double money,double overdraft){
super(accId, name,money);
this.overdraft = overdraft;
}
@Override
public double getMoney(double money) {
if(money = 0){
System.out.println("取款金额必须大于0");
return 0;
}
if(this.money + overdraft = money){
System.out.println("余额不足 ， 无法取款");
return 0;
}
this.money -= money;
System.out.println("取款成功");
return money;
}
@Override
public double getOverdraft(){
return overdraft;
}
@Override
public String toString() {
return "账户=" + accId + ",名字=" + name + ",余额=" + money + ",透支=" + overdraft;
}
}
public class SavingAccount extends Account {
public SavingAccount(String accId, String name) {
super(accId, name);
}
public SavingAccount(String accId, String name, double money) {
super(accId, name, money);
}
@Override
public double getMoney(double money) {
return super.getMoney(money);
}
@Override
public double getOverdraft() {
return super.getOverdraft();
}
}
public class Test {
private static Bank bank = new Bank();
public static void main(String[] args) {
Test.genAccount();
// 开户
Account a1 = new CreditAccount("1", "1", 200, 2000);
Account a2 = new SavingAccount("2", "2", 300);
Account a3 = new SavingAccount("3", "3", 400);
Account a4 = new CreditAccount("4", "4", 500, 2000);
Account a5 = new CreditAccount("4", "5", 600, 2000); // 帐号4重
bank.addAccount(a1);
bank.addAccount(a2);
bank.addAccount(a3);
bank.addAccount(a4);
bank.addAccount(a5);
showNowAccount();
// 销户
bank.delAccount("1");
bank.delAccount("2");
showNowAccount();
// 存款
if(bank.existAccount("3")){
Account acc= bank.getAccount("3");
acc.saveMoney(100);
}
showNowAccount();
// 取款
if(bank.existAccount("3")){
Account acc= bank.getAccount("3");
System.out.println("余额=" + acc.getBalance());
acc.getMoney(100);
System.out.println("余额=" + acc.getBalance());
acc.getMoney(1000);
System.out.println("余额=" + acc.getBalance());
}
if(bank.existAccount("4")){
Account acc= bank.getAccount("4");
System.out.println("余额=" + acc.getBalance());
acc.getMoney(100);
System.out.println("余额=" + acc.getBalance());
acc.getMoney(1000);
System.out.println("余额=" + acc.getBalance());
acc.getMoney(10000);
System.out.println("余额=" + acc.getBalance());
}
System.out.println(bank.getAccountNum());
System.out.println(bank.getAllMoney());
System.out.println(bank.getAllOverdraft());
System.out.println(bank.getCreditAccountNum());
System.out.println(bank.getSavingAccountNum());
}
public static void genAccount(){
String s = "1000 0000 0000 000";
Account a = null;
for(int i = 1; i11; i ++){
if((i2) == 0){
a = new CreditAccount(s + String.valueOf(i), "账户" + String.valueOf(i));
} else {
a = new SavingAccount(s + String.valueOf(i), "账户" + String.valueOf(i));
}
bank.addAccount(a);
}
}
public static void showNowAccount(){
for(Account account : bank.getAllAccount()){
System.out.println(account);
}
}
}
// 面向对象，看多写多了就会了 ， 简单的随便写的，有错误先不用太纠结 。
怎么用java写银行管理系统的销户功能只要销户就可以了1.开户2.销户3.存钱4.取钱5.查询技术点:TcpServer服务端TcpSocket客户端多线程并发访问数据库存储数据XML组织传输的数据

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